Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Wet meadows, springs, and mudflats.
Flowers: June-September
Origin: Native
Conservation Status: Not of concern
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Juncus bufonius var. occidentalis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Juncus bufonius var. occidentalis checklist entry
OregonFlora: Juncus bufonius var. occidentalis information
E-Flora BC: Juncus bufonius var. occidentalis atlas page
CalPhotos: Juncus bufonius var. occidentalis photos